Patents by Inventor Jungchul An

Jungchul An has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230360591
    Abstract: A light emitting display apparatus includes a pixel driving circuit including a driving transistor and an anode reset capacitor connected to a gate of the driving transistor and a light emitting device configured to emit light with a current supplied through the driving transistor. An anode reset period, where a data voltage is not supplied to the driving transistor, is between refresh periods where the light emitting device emits the light with the data voltage supplied to the driving transistor, and an anode reset voltage supplied to the anode reset capacitor in the refresh period is higher than an initial voltage which is input to the gate of the driving transistor in the refresh period.
    Type: Application
    Filed: July 22, 2023
    Publication date: November 9, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: JungChul KIM, HoYoung LEE, Sungwook CHANG, Jaesung KIM
  • Patent number: 11798467
    Abstract: A light emitting display apparatus includes a pixel driving circuit including a driving transistor and an anode reset capacitor connected to a gate of the driving transistor and a light emitting device configured to emit light with a current supplied through the driving transistor. An anode reset period, where a data voltage is not supplied to the driving transistor, is between refresh periods where the light emitting device emits the light with the data voltage supplied to the driving transistor, and an anode reset voltage supplied to the anode reset capacitor in the refresh period is higher than an initial voltage which is input to the gate of the driving transistor in the refresh period.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: October 24, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JungChul Kim, HoYoung Lee, Sungwook Chang, Jaesung Kim
  • Publication number: 20230333598
    Abstract: An electronic device includes: a flexible display; an input module disposed between a surface formed by a first housing and a second housing supporting the flexible display and the flexible display, and including a first pattern layer and a second pattern layer; and waterproof adhesives disposed on each of the first housing and the second housing, wherein the first pattern layer is disposed on a surface of the input module facing the waterproof adhesives, and includes first signal patterns and first dummy patterns disposed in an area corresponding to the waterproof adhesive, and wherein the second pattern layer is disposed on the other side of the input module facing the flexible display.
    Type: Application
    Filed: January 17, 2023
    Publication date: October 19, 2023
    Inventors: Chulhyo YOON, Jungchul AN, Jiwon KIM, Hosang NAM
  • Publication number: 20230323585
    Abstract: A washing machine according to one aspect of the disclosure comprises: a body having a laundry input port; a water tank provided inside the body and for storing water; a drum rotatably provided inside the water tank; a pulsator provided inside the drum and rotating in the direction opposite from the rotational direction of the drum; a first motor providing a driving force to the pulsator; a second motor providing a driving force to the drum; a first inverter controlling a current applied to the first motor; a second inverter controlling a current applied to the second motor and having a temperature sensing function; and a control unit controlling the first inverter such that the rotational speed of the first motor and/or the rotation time per period of the first motor is reduced if the temperature of the second inverter reaches a predetermined first temperature.
    Type: Application
    Filed: March 24, 2023
    Publication date: October 12, 2023
    Inventors: Jungchul CHOI, Sungmo LEE, Suhwan JI
  • Publication number: 20230327931
    Abstract: A wireless communication network includes an access point (AP) device and a non-AP device. The AP device transmits a physical layer protocol data unit (PPDU) to the non-AP device. The PPDU includes a data field including a plurality of pilot tones in a plurality symbols. A group of pilot tones is shifted from symbol to symbol within a group of subcarriers during the data field. The non-AP device receives the PPDU and performs channel estimation using the plurality of pilot tones in the data field.
    Type: Application
    Filed: March 21, 2023
    Publication date: October 12, 2023
    Inventors: Yujin NOH, Seung Hyeok AHN, Seung Ho CHOO, Young Hwan KANG, Jungchul SHIN, Tan Joong PARK, Daehong KIM, Sung Jin PARK
  • Patent number: 11784752
    Abstract: A method performed by a transmitter in a wireless communication system is provided. The method comprises: identifying that a first parameter used for indicating a first puncturing pattern is set to be not present in a first frame based on predetermined condition; determining whether to operate in duplicate (DUP) mode; and in case that the transmitter determines to operate in the DUP mode, transmitting a second frame in the DUP mode, wherein data in a payload portion of the second frame is duplicated in frequency in the DUP mode.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: October 10, 2023
    Assignee: Senscomm Semiconductor Co., Ltd.
    Inventors: Yujin Noh, Seung Hyeok Ahn, Seung Ho Choo, Young-Hwan Kang, Jungchul Shin, Tan Joong Park
  • Patent number: 11778719
    Abstract: A laser beam delivery apparatus of an extreme ultra violet light source may include a high power seed module configured to generate a laser beam, a power amplifier configured to amplify the laser beam generated by the high power seed module, a beam transfer module configured to collect and move the laser beam amplified by the power amplifier, a final focusing assembly optical platform configured to adjust focus of the laser beam collected and moved by the beam transfer module, and a focusing unit configured to focus the laser beam with the focus adjusted by the final focusing assembly optical platform to a target droplet. The power amplifier may include a position adjuster configured to adjust a position of the laser beam. The position adjuster may include a refraction plate having a flat surface. The power amplifier may include a pointing adjuster, which may include a mirror.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: October 3, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dohyung Kim, Seongchul Hong, Kyungsik Kang, Insung Kim, Motoshi Sakai, Seulgi Lee, Jungchul Lee
  • Patent number: 11775009
    Abstract: An electronic device includes: a display panel including a first area, a second area, and a third area bendable and between the first area and the second area a first support part under the display panel; a recognition member including a first recognition member under the first area, and a second recognition member spaced apart from the first recognition member and under the second area, where the recognition member is under the first support part and recognizes a signal of a pen input device; a second support part including a first portion under the first recognition member, and a second portion spaced apart from the first portion and under the second recognition member; a first printed circuit board electrically connected to the first portion; and a second printed circuit board spaced apart from the first printed circuit board and electrically connected to the second portion.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: October 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jungchul An, Myeongsil Park, Hyunho Shin, Shinhyuk Yoon, Kyungsub Kim
  • Patent number: 11775013
    Abstract: An electronic device is provided. The electronic device includes a flexible display including a plurality of layers and a support member having the flexible display mounted thereon. The flexible display includes a first region having a first flexibility and a second region having a second flexibility different from the first flexibility and extending from the first region in a first direction. At least one of the plurality of layers has a first structure in the first region and has a second structure different from the first structure in the second region. The support member includes a first portion that supports the first region such that at least part of the first region remains flat and a second portion that supports the second region such that at least part of the second region is bent and then unfolded.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: October 3, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joungmin Cho, Seunghoon Ko, Gidae Kim, Jungchul An, Kwangtai Kim, Hyungsup Byeon
  • Patent number: 11775015
    Abstract: An electronic device is provided.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: October 3, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dongyup Lee, Joon Heo, Jungchul An
  • Patent number: 11763716
    Abstract: Embodiments of the present disclosure relate to a display panel and a display device, and more particularly, a display panel and a display device capable of reducing a bezel area by reducing the number of subpixels per unit area of a second display area adjacent to a first display area in which the light-receiving device is located.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: September 19, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Miso Kim, YongMin Ha, Hanwook Hwang, JungChul Kim
  • Publication number: 20230288962
    Abstract: An electronic device includes a first housing; a second housing configured to be sliding relative to the first housing; a flexible display, wherein at least part of the flexible display is supported by the second housing and a size of the flexible display viewable from a front surface of the electronic device changes in accordance with a sliding of the second housing; a guide member configured to operatively connect at least part of the first housing and at least part of the second housing for the sliding of the second housing; and a conductive layer disposed between a portion of the second housing and the flexible display, wherein the second housing includes a first support portion supporting a first portion of the flexible display; and a second support portion supporting a second portion of the flexible display and allowing the second portion of the flexible display to be bent, and wherein the conductive layer is configured to electrically connect at least a part of the flexible display and the second suppo
    Type: Application
    Filed: May 17, 2023
    Publication date: September 14, 2023
    Inventors: Myunghoon KWAK, Jooyoung KANG, Jungchul AN, Heuisoo JEON, Kwangtai KIM, Donghyun YEOM
  • Publication number: 20230291092
    Abstract: A display structure according to an embodiment may include: a cover glass forming an outer face of the display structure, a display panel disposed under the cover class, a first dielectric layer having a first periphery formed at least in part on an outer side of a periphery of the display panel, and disposed under the display panel, a second dielectric layer disposed on a first face of the first dielectric layer adjacent to the display panel, and a third dielectric layer disposed on a second face corresponding to the first face of the first dielectric layer. A second periphery of the second dielectric layer and a third periphery of the third dielectric layer, corresponding to the first periphery of the first dielectric layer, may be formed on an inner side of the first periphery. The first dielectric layer may have a first permittivity. The second dielectric layer and the third dielectric layer may each have a permittivity greater than the first permittivity.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 14, 2023
    Inventors: Jungchul AN, Seongjun KIM, Hoyeon KIM, Kwanghee RYU, Youngjae KWON
  • Publication number: 20230283948
    Abstract: An electronic device is provided. The electronic device includes an acoustic waveguide, a first support plate for defining at least a part of the acoustic waveguide at one surface thereof, a first display arranged on the one surface of the first support plate, a second display arranged on the other surface of the first support plate, and a speaker module arranged on the other surface of the first support plate between the first support plate and the second display, wherein the acoustic waveguide can be formed to radiate, from one side of the second display to an external space, a sound outputted from the speaker module.
    Type: Application
    Filed: May 10, 2023
    Publication date: September 7, 2023
    Inventors: Kiyoung JUNG, Jungchul AN
  • Publication number: 20230259178
    Abstract: An electronic device is provided. The electronic device includes a first housing and a second housing, a foldable display including a first area disposed on the front surface of the first housing and a second area disposed on the front surface of the second housing, a hinge structure connecting the first housing to the second housing such that the second housing is rotatable about a first axis with respect to the first housing, and a metal plate disposed on the rear surface of the foldable display, wherein the metal plate includes a first metal plate disposed on the rear surface of the first area and covering at least a part of the first housing and a part of the hinge structure, and a second metal plate disposed on the rear surface of the second area and covering at least a part of the second housing.
    Type: Application
    Filed: April 21, 2023
    Publication date: August 17, 2023
    Inventors: Jungchul AN, Hyunju HONG
  • Publication number: 20230225066
    Abstract: An electronic device may include a housing including a first housing and a second housing, a display disposed on the first housing and the second housing, a hinge structure connecting the first housing and the second housing, a conductive plate supporting the display, a non-conductive member surrounding at least a portion of the conductive plate and protruding with respect to the display, and a waterproofing member at least partially disposed between the non-conductive member and the housing.
    Type: Application
    Filed: January 10, 2023
    Publication date: July 13, 2023
    Inventors: Jungsik PARK, Woongeun KWAK, Jungchul AN, Hyunju HONG
  • Patent number: 11700693
    Abstract: According to an embodiment, it is possible to provide an electronic device including: a housing; a first printed circuit board disposed in the housing; a second printed circuit board disposed in the housing and spaced apart from the first printed circuit board; a first flexible printed circuit board electrically connecting the first printed circuit board and the second printed circuit board; and a second flexible printed circuit board electrically connecting the first printed circuit board and the second printed circuit board, in which the second flexible printed circuit board may be longer than the first flexible printed circuit board. Other embodiments are also disclosed.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: July 11, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong Woo, Jungchul An, Seungki Choi
  • Publication number: 20230214040
    Abstract: An electronic device including a display unit including light-emitting areas providing an image and non-light-emitting areas adjacent to the light-emitting areas, and an input sensing unit disposed on the display unit and including: a first insulating layer disposed on the display unit; a first conductive layer disposed on the first insulating layer and including first conductive patterns; a second insulating layer including first contact holes exposing the first conductive patterns and second contact holes exposing the first insulating layer overlapping each other, and disposed on the first insulating layer and covering the first conductive layer; and a second conductive layer formed of mesh lines that cross each other and define mesh openings overlapping the corresponding light-emitting areas, in which each of the first contact holes and the second contact holes overlaps intersection portions of the mesh lines.
    Type: Application
    Filed: March 10, 2023
    Publication date: July 6, 2023
    Inventors: Jinkyu KIM, Yeon-Mun JEON, Byoung-Chan KWAK, Jooil KIM, Sangmin BAEK, Jungchul woo, Kwangrae LEE
  • Patent number: 11693452
    Abstract: An electronic device includes a fixed member including a case and a first structure, at least part of which is disposed inside the case; a second structure slidably connected to the fixed member; a display configured to partially slide-out from or slide-in to the fixing member according to a sliding operation of the second structure relative to the fixing member; and a conductive layer disposed between a portion of the second structure and the display, wherein the second structure includes: a first support portion supporting a partial area of the display; and a second support portion supporting another partial area of the display not supported by the first support portion and being a bendable portion, wherein the conductive layer is at least partially disposed between the second support portion and the display, and configured to electrically connect at least a part of the display and the second support portion.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: July 4, 2023
    Inventors: Myunghoon Kwak, Jooyoung Kang, Jungchul An, Heuisoo Jeon, Kwangtai Kim, Donghyun Yeom
  • Publication number: 20230205276
    Abstract: According to various embodiments of the disclosure, an electronic device may comprise a first housing, a second housing connected to the first housing by a hinge structure and providing a motion relative to the first housing, and a flexible display disposed from the first housing through the hinge structure to the second housing, at least a portion of at least one of the first housing or the second housing may include at least two antennas and a segmenter disposed between the antennas, a separation member may be disposed adjacent to a portion of the segmenter in a direction to the flexible display, and at least a portion of the separation member may protrude beyond the antennas toward the flexible display.
    Type: Application
    Filed: December 27, 2022
    Publication date: June 29, 2023
    Inventors: Myeongsu OH, Kiyoung JUNG, Yongyoun KIM, Jungchul AN, Duho CHU